# File lib/fog/rackspace/models/load_balancers/load_balancer.rb, line 39
        def access_rules
          unless @access_rules
            @access_rules = Fog::Rackspace::LoadBalancers::AccessRules.new({
              :service => service,
              :load_balancer => self})

             # prevents loading access rules from non-existent load balancers
            @access_rules.clear unless persisted?
          end
          @access_rules
        end